@article{ref1,
title="A third study on performance upon sudden awakening. SAM-TR-65-63",
journal="USAF School of Aerospace Medicine technical report: SAM-TR",
year="1965",
author="Hartman, B. O. and Langdon, D. E. and McKenzie, R. E.",
volume="",
number="",
pages="1-4",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}